Within a processing of a sender task, a transmission request occurs that a data item be sent to a processing of a recipient task. Intensity scores can relate to an approval or a level of satisfaction of a current location of a user and can be conveniently provided, in some cases with a single keystroke by, say, mobile device users. The liner fits within an extruded slide disposed along the edges of the chute and is secured to the distal end of the chute by a liner retainer to ensure that concrete does not seep between the liner and the chute. The HTML format extension allows a Web page designer to specify the text over which the user must place the cursor to activate tooltips.